CN107790360A - The preparation method of composite coating that marine anticorrosion uses - Google Patents

The preparation method of composite coating that marine anticorrosion uses Download PDF

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Publication number
CN107790360A
CN107790360A CN201710983445.XA CN201710983445A CN107790360A CN 107790360 A CN107790360 A CN 107790360A CN 201710983445 A CN201710983445 A CN 201710983445A CN 107790360 A CN107790360 A CN 107790360A
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coating
powder
zinc
alloy powder
composite coating
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贾俊
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Chengdu Buleide Technology Co Ltd
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Chengdu Buleide Technology Co Ltd
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Priority to CN201710983445.XA priority Critical patent/CN107790360A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50Multilayers
    • B05D7/52Two layers
    • B05D7/54No clear coat specified
    • B05D7/546No clear coat specified each layer being cured, at least partially, separately
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D127/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/0812Aluminium

Abstract

The present invention relates to the preparation method of composite coating that a kind of marine anticorrosion uses, and is a kind of long-acting heavy antisepsis composite coating designed for the workpiece being on active service under ocean and heavy antisepsis environment.Composite coating prepared by the present invention is divided into two layers up and down, bottom is with solid packing (aluminium powder, Al alloy powder, zinc powder, Zinc alloy powder, zinc aluminium alloy powder) after aqueous inorganic binding agent (primary aqueous soluble phosphoric acid salt or silicate and metal oxide) gluing spraying or dip-coating formed with matrix surface, surface layer is mainly by doping fraction solid powder filler (aluminium powder, Al alloy powder, zinc powder, Zinc alloy powder, zinc aluminium alloy powder) modified epoxy, polyurethane, organic siliconresin, silester, fluororesin, the sprayings such as fluorocarbon resin or dip-coating form with matrix surface.Its feature is that bottom has good electric conductivity, 20 ohm of sheet resistance <, and coating can play good sacrificing protection effect, and surface layer mainly plays sealing of hole and buffer action.

Description

The preparation method of composite coating that marine anticorrosion uses
Technical field
The present invention relates to the preparation method of composite coating that a kind of marine anticorrosion uses, and belongs to workpiece surface process field, is The long-acting heavy antisepsis of workpiece design of the one kind for being on active service under marine environment and other corrosion bad working environments (river, lake etc.) is answered Close coating.
Background technology
The most metals material that marine environment and other corrosion bad working environments (river, lake etc.) are on active service is all intolerant to ocean Air and heavy antisepsis environment.The workpiece be on active service under ocean and heavy antisepsis environment of many for a long time by high temperature, high humidity, high salt fog, High ultraviolet irradiation influences, and its operating mode is extremely severe, by analyzing workpiece material, design feature, use condition factor, workpiece master A variety of corrosion types such as crevice corrosion, galvanic corrosion, stress corrosion and fretting corrosion be present, corrosion factor is sufficiently complex, work Often because of corrosion failure phenomenon occurs for part, leads to not normal use so that cost of equipment maintenance increase, while because corrosion causes to set Standby intensity maximum reduces, and influences its safety and reliability, the method that workpiece mainly takes low-alloy steel and external coating at present Protected, commonly using surface treatment method includes electrogalvanizing, plating (chromium, cadmium), Dacroment, galvanizing by dipping, hot zincizing, application (Teflon), corrosion resistant material etc..Electrogalvanizing is also easy to produce hydrogen embrittlement, and environmental pollution is serious, the relatively thin influence antiseptic effect of thickness of coating;Reach Coating corrosion resistance in Crow itself is good and attractive in appearance, but cracky in the very soft construction of coating, traditional Dacromet Technology have Cr VI ring Border pollution problem;The high cost of galvanizing by dipping yield is low, and construction floating coat is easy to fall off;Hot zincizing poor appearance, in canescence or greyish black Color, low production efficiency, and workpiece needs bulk heat treatmet, can influence workpiece its own mechanical intensity;Teflon coatings corrosion resistance is non- Chang Hao, but coating adhesion is poor, and coating damage problem easily occurs in installation and transportation, loses antiseptic effect;Composite anti-corrosive Coating technology belongs to the important research direction of Surface Engineering in recent years, has coating synergy by force compared to single coating, comprehensive Performance is excellent, and workpiece service demand under complex working conditions can be achieved.Patent CN102974519A first should by composite coating concept For marine environment military service workpiece, the anticorrosion process comprehensive anticorrosive excellent performance, can be tested 2500 hours by neutral salt spray, It is but higher to bottom corrosion-inhibiting coating roughness requirements and red rust area is less than 15%, otherwise poor adhesive force;Patent CN103316828A discloses a kind of preparation method of ship fastener composite coating, and the technology uses zincizing coating bottoming, in Between using Aluminum Coating and being closed using epoxy coating, workpiece has that adhesion is strong simultaneously, the good feature of coating greasy property, But preparation technology is complex, zincizing layer thickness homogeneity directly affects coating entirety using effect.Patent CN101116855A Mention a kind of steel metalwork anticorrosive composite coating preparation method, the corrosion-inhibiting coating has that corrosion resistance is strong, the strong feature of antiseptic power, But prepares coating adhesion is poor.
The content of the invention
The technical problems to be solved by the invention are:The preparation method of composite coating that a kind of marine anticorrosion uses is provided, should Corrosion-inhibiting coating have resistance to middle temperature stability is good, resistance to corrosion is strong, with substrate combinating strength height, surface roughness is low, weatherability Good feature, the long-acting heavy antisepsis being applicable under marine environment.
It is to solve above-mentioned technical problem the technical solution adopted in the present invention:It is prepared by the composite coating that marine anticorrosion uses Method, comprise the following steps:
Step 1: oil removing process:Remove workpiece surface greasy dirt;
Step 2: sandblasting:Workpiece surface is derusted using sandblasting and surface active;
Step 3: utilize air spraying or dip-coating prepares coating priming paint:
When being sprayed using air, spray parameters are set as pressure 0.2MPa~0.4MPa, distance 100mm~200mm, work 20 DEG C~25 DEG C of temperature;During using dip-coating, workpiece after sandblasting is immersed directly in priming paint, simultaneously centrifugal drying is taken out after 1s~10s Formed after dry, and remove the unnecessary solution of workpiece surface;
Priming paint disperses to form by aqueous inorganic binding agent and solid packing mixing, and aqueous inorganic binding agent includes water-based nothing Machine phosphate or silicate, in addition to metal oxide, metal oxide are the oxidation of the oxide of zinc, the oxide of aluminium, chromium The oxide one of which of thing or silicon several mixes;
Solid packing be aluminium powder, Al alloy powder, zinc powder, Zinc alloy powder, zinc aluminium alloy powder one of which or it is several mixing and Into;
5 μm of the particle diameter < of solid packing, solid packing addition are the primer solution gross weight after addition solid packing 20%~50%;
Step 4: solidifying priming paint is handled:250 DEG C~350 DEG C of solidification temperature, hardening time 1h~3h;
Step 5: coated conductive is handled:Surface conductance processing is carried out using spray glass ball or aluminum oxide so that coating surface Resistance is less than 20 ohm;
Step 6: utilize air spraying or dip-coating prepares coating finish paint;
When being sprayed using air, spray parameters are set as pressure 0.2MPa~0.4MPa, distance 100mm~200mm, work 20 DEG C~25 DEG C of temperature;During using dip-coating, workpiece after conductive processing is immersed directly in finish paint, after 1s~10s take out and from The heart is formed after drying, and removes the unnecessary solution of workpiece surface;
Finish paint is mixed by adulterating solid powder filler in the capping reagent, and sealer is epoxy resin, polyurethane, had Machine silicones, silester, fluororesin, fluorocarbon resin one of which or several mixtures;Solid powder filler is aluminium powder, aluminium Alloyed powder, zinc powder, Zinc alloy powder, zinc aluminium alloy powder one of which several mix;
5 μm of the particle diameter < of solid powder filler, solid powder filling adding amount are the finish paint after addition solid powder filler The 1%~5% of total solution weight;
Step 7: topcoating cures are handled:300 DEG C~400 DEG C of solidification temperature, hardening time 20min~40min.
It is further:Oil removing process in step 1 uses high temperature oil removing mode, except oil temperature is 300 DEG C~350 DEG C, The oil removing time is 0.5h~6h.
It is further:Oil removing process in step 1 uses organic care agent electrochemical deoiling.
It is further:Sandblasting process in step 2, blasting pressure are 0.2MPa~0.5MPa, and sandblasting distance is 100mm~200mm, sand grains footpath are 120#~180#.
It is further:Coated conductive treatment process in step 5, using spray glass ball mode, glass ball model 180#~220#, pressure are 0.1MPa~0.4MPa.
It is further:Aqueous inorganic phosphate in step 3 is phosphoric acid normal salt, dibasic alkaliine, dihydric phosphate its Middle one or more mix.
It is further:Thickness of dry film is 20 μm~120 μm after solidifying priming paint.
It is further:Thickness of dry film is 10 μm~40 μm after topcoating cures.
The beneficial effects of the invention are as follows:The composite coating system of preparation have resistance to middle temperature stability is good, resistance to corrosion is strong, It is high with substrate combinating strength, surface roughness is low, good weatherability feature, composite coating thickness of thin is prepared, so as to overcome routine Workpiece coating thickness is big to influence the shortcomings that installation coordinates, while does not influence the mechanical performance of workpiece itself, compared with prior art With advantages below:First, composite coating entirety resistance to corrosion is strong, the 5000h of resistance to neutral salt spray matrixes occur without red rust, two are Inorganic phosphate or silicate paint and substrate combinating strength as bottom is high, and adhesion strength is tested most using viscose glue pull-rod method It is high to play sacrificial anode effect up to 40Mpa, while as solid packing, coating resistance to corrosion can be increased substantially, and pass through Crossing the bottom of shot-peening has good electric conductivity, 20 ohm of sheet resistance <;Third, the organic coating compactness as surface layer It is good, the coating space of bottom can be sealed, improves coating waterproof ability;Fourth, coating is resistant to 200 DEG C of continuous high temperatures without occurring Coating foaming comes off and aging phenomenon;Fifth, composite coating has an excellent dry film lubrication performance, coating coefficient of friction 0.09~ Between 0.13.
Brief description of the drawings
Fig. 1 is the process chart of the present invention;
Fig. 2 is the coating cross sections microstructure figure of the embodiment of the present invention 1;
Fig. 3 is the coating cross sections microstructure figure of the embodiment of the present invention 2.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
As shown in figure 1, the present invention comprises the following steps:
Step 1: oil removing process:Remove workpiece surface greasy dirt;High temperature oil removing mode can be used, except oil temperature be 300 DEG C~ 350 DEG C, the oil removing time is 0.5h~6h;Also organic care agent electrochemical deoiling can be used;
Step 2: sandblasting:Workpiece surface is derusted using sandblasting and surface active;Blasting pressure be 0.2MPa~ 0.5MPa, sandblasting distance is 100mm~200mm, and sand grains footpath is 120#~180#;
Step 3: utilize air spraying or dip-coating prepares coating priming paint:
When being sprayed using air, spray parameters are set as pressure 0.2MPa~0.4MPa, distance 100mm~200mm, work 20 DEG C~25 DEG C of temperature;During using dip-coating, workpiece after sandblasting is immersed directly in priming paint, simultaneously centrifugal drying is taken out after 1s~10s Formed after dry, and remove the unnecessary solution of workpiece surface;
Priming paint disperses to form by aqueous inorganic binding agent and solid packing mixing, and aqueous inorganic binding agent includes water-based nothing Machine phosphate or silicate, in addition to metal oxide, metal oxide are the oxidation of the oxide of zinc, the oxide of aluminium, chromium The oxide one of which of thing or silicon several mixes;Aqueous inorganic phosphate can be phosphoric acid normal salt, dibasic alkaliine, Dihydric phosphate one of which several mixes;In addition, appropriate water is also included in primer solution;
Solid packing be aluminium powder, Al alloy powder, zinc powder, Zinc alloy powder, zinc aluminium alloy powder one of which or it is several mixing and Into;
5 μm of the particle diameter < of solid packing, solid packing addition are the primer solution gross weight after addition solid packing 20%~50%;
Step 4: solidifying priming paint is handled:250 DEG C~350 DEG C of solidification temperature, hardening time 1h~3h;Done after solidifying priming paint Film thickness is 70 μm~100 μm;
Step 5: coated conductive is handled:Surface conductance processing is carried out using spray glass ball or aluminum oxide so that coating surface Resistance is less than 20 ohm;It is preferred that using spray glass ball mode, glass ball model 180#~220#, pressure be 0.1MPa~ 0.4MPa;
Step 6: utilize air spraying or dip-coating prepares coating finish paint;
When being sprayed using air, spray parameters are set as pressure 0.2MPa~0.4MPa, distance 100mm~200mm, work 20 DEG C~25 DEG C of temperature;During using dip-coating, workpiece after conductive processing is immersed directly in finish paint, after 1s~10s take out and from The heart is formed after drying, and removes the unnecessary solution of workpiece surface;
Finish paint is mixed by adulterating solid powder filler in the capping reagent, and sealer is epoxy resin, polyurethane, had Machine silicones, silester, fluororesin, fluorocarbon resin one of which or several mixtures;Solid powder filler is aluminium powder, aluminium Alloyed powder, zinc powder, Zinc alloy powder, zinc aluminium alloy powder one of which several mix;In addition, also comprising suitable in finish paint solution The water of amount;
5 μm of the particle diameter < of solid powder filler, solid powder filling adding amount are the finish paint after addition solid powder filler The 1%~5% of total solution weight;
Step 7: topcoating cures are handled:300 DEG C~400 DEG C of solidification temperature, hardening time 20min~40min;Finish paint is consolidated Thickness of dry film is 20 μm~40 μm after change.
Composite coating prepared by the present invention be divided into up and down two layers, bottom be with solid packing (aluminium powder, Al alloy powder, zinc powder, Zinc alloy powder, zinc aluminium alloy powder) through aqueous inorganic binding agent, (primary aqueous soluble phosphoric acid salt or silicate and metal aoxidize Thing) after gluing spraying or dip-coating formed with matrix surface, surface layer is mainly by doping fraction solid powder filler (aluminium powder, aluminium conjunction Bronze, zinc powder, Zinc alloy powder, zinc aluminium alloy powder) modified epoxy, polyurethane, organic siliconresin, silester, fluororesin, The sprayings such as fluorocarbon resin or dip-coating form with matrix surface.Its feature is that bottom has good electric conductivity, sheet resistance 20 ohm of <, coating can play good sacrificing protection effect, and surface layer mainly plays sealing of hole and buffer action.
Embodiment 1:
High strength steel blade root is used to prepare composite coating body using following scheme of the present invention as sample using sea dress wind-powered electricity generation System, concrete technology step are as follows:
Step 1: oil removing process:Workpiece surface greasy dirt is removed, using high temperature oil removing mode, except oil temperature is 330 DEG C, is removed The oily time is 2h;
Step 2: sandblasting:Derusted using sandblasting and surface active, blasting pressure 0.4MPa, sandblasting distance are 150mm, sand grains footpath are 180#;
Step 3: spray prepares coating priming paint using air;Using spraying air spray parameters setting:Pressure 0.2MPa, Distance 150mm, 25 DEG C of operating temperature;Aqueous inorganic binding agent is mainly made up of aluminum phosphate, magnesium dihydrogen phosphate, zinc oxide, chromic anhydride, Solid packing selects 5 μm of ball aluminum powders of particle diameter <, and addition is primer solution gross weight 30%;
Step 4: solidifying priming paint is handled:300 DEG C of solidification temperature, hardening time 1.5h;
Step 5: coated conductive is handled:Conductive processing, glass ball model are carried out from spray glass ball:200#, shot-peening pressure Power:0.2MPa, coating surface resistance is 15 ohm after shot-peening;
Step 6: spray prepares coating finish paint using air;Using spraying air spray parameters setting:Pressure 0.2MPa, Distance 150mm, operating temperature:25 DEG C, finish paint selects particle diameter from the fluororesin for adulterating solid powder filler, solid powder filler 5 μm of ball aluminum powders of <, addition are finish paint total solution weight 1%;
Step 7: topcoating cures are handled:300 DEG C of solidification temperature, hardening time 30min.
Table 1 is to prepare composite coating parameter according to technique in embodiment 1:
The result of the test of the embodiment 1 of table 1
Embodiment 2:
High intensity blade root bolt is used to prepare composite coating body using following scheme of the present invention as sample using sea dress wind-powered electricity generation System, concrete technology step are as follows:
Step 1: oil removing process:Soaked using organic care agent and remove workpiece surface grease;
Step 2: sandblasting:Derusted using sandblasting and surface active, blasting pressure 0.4MPa, sandblasting distance 150mm, Sand grains footpath is 180#;
Step 3: using dip-coating prepares coating priming paint:By workpiece after sandblasting be immersed directly in priming paint after 5 seconds take out and from The heart is formed after drying, and removes the unnecessary solution of workpiece surface, using aqueous inorganic binding agent mainly by biphosphate in priming paint Aluminium, magnesia, chromic anhydride composition, solid packing select 5 μm of aluminum zinc powders of particle diameter <, and addition is primer solution gross weight 30%;
Step 4: solidifying priming paint is handled:300 DEG C of solidification temperature, hardening time 1.5h;
Step 5: coated conductive is handled:Conductive processing, glass ball model are carried out from spray glass ball:200#, shot-peening pressure Power:0.2MPa, coating surface resistance is 12 ohm after shot-peening;
Step 6: dip-coating prepares coating finish paint;By workpiece after conductive processing be immersed directly in finish paint after 5 seconds take out and from The heart is formed after drying, and removes the unnecessary solution of workpiece surface, and finish paint selects the modified epoxy of doping solid powder filler, Solid packing selects 5 μm of ball aluminum powders of particle diameter <, and addition is finish paint total solution weight 1%;
Step 7: topcoating cures are handled:300 DEG C of solidification temperature, hardening time 30min.
Table 2 is to prepare composite coating parameter according to technique in embodiment 2:
The result of the test of the embodiment 2 of table 2

Claims (8)

1. the preparation method of composite coating that marine anticorrosion uses, it is characterised in that comprise the following steps:
Step 1: oil removing process:Remove workpiece surface greasy dirt;
Step 2: sandblasting:Workpiece surface is derusted using sandblasting and surface active;
Step 3: utilize air spraying or dip-coating prepares coating priming paint:
When being sprayed using air, spray parameters are set as pressure 0.2MPa~0.4MPa, distance 100mm~200mm, operating temperature 20 DEG C~25 DEG C;During using dip-coating, workpiece after sandblasting is immersed directly in priming paint, taken out after 1s~10s and after centrifuge dripping Formed, and remove the unnecessary solution of workpiece surface;
Priming paint disperses to form by aqueous inorganic binding agent and solid packing mixing, and aqueous inorganic binding agent includes aqueous inorganic phosphorus Hydrochlorate or silicate, in addition to metal oxide, metal oxide be the oxide of zinc, the oxide of aluminium, chromium oxide or The oxide one of which of silicon several mixes;
Solid packing is aluminium powder, Al alloy powder, zinc powder, Zinc alloy powder, zinc aluminium alloy powder one of which or several mixed;
5 μm of the particle diameter < of solid packing, solid packing addition are 20% of the primer solution gross weight after addition solid packing ~50%;
Step 4: solidifying priming paint is handled:250 DEG C~350 DEG C of solidification temperature, hardening time 1h~3h;
Step 5: coated conductive is handled:Surface conductance processing is carried out using spray glass ball or aluminum oxide so that coating surface resistance Less than 20 ohm;
Step 6: utilize air spraying or dip-coating prepares coating finish paint;
When being sprayed using air, spray parameters are set as pressure 0.2MPa~0.4MPa, distance 100mm~200mm, operating temperature 20 DEG C~25 DEG C;During using dip-coating, workpiece after conductive processing is immersed directly in finish paint, simultaneously centrifugal drying is taken out after 1s~10s Formed after dry, and remove the unnecessary solution of workpiece surface;
Finish paint is mixed by adulterating solid powder filler in the capping reagent, and sealer is epoxy resin, polyurethane, organosilicon Resin, silester, fluororesin, fluorocarbon resin one of which or several mixtures;Solid powder filler is aluminium powder, aluminium alloy Powder, zinc powder, Zinc alloy powder, zinc aluminium alloy powder one of which several mix;
5 μm of the particle diameter < of solid powder filler, solid powder filling adding amount are the finish paint solution after addition solid powder filler The 1%~5% of gross weight;
Step 7: topcoating cures are handled:300 DEG C~400 DEG C of solidification temperature, hardening time 20min~40min.
2. the preparation method of composite coating that marine anticorrosion as claimed in claim 1 uses, it is characterised in that:Removing in step 1 Oily process uses high temperature oil removing mode, and except oil temperature is 300 DEG C~350 DEG C, the oil removing time is 0.5h~6h.
3. the preparation method of composite coating that marine anticorrosion as claimed in claim 1 uses, it is characterised in that:Removing in step 1 Oily process uses organic care agent electrochemical deoiling.
4. the preparation method of composite coating that marine anticorrosion as claimed in claim 1 uses, it is characterised in that:Spray in step 2 Sand process, blasting pressure are 0.2MPa~0.5MPa, and sandblasting distance is 100mm~200mm, and sand grains footpath is 120#~180#.
5. the preparation method of composite coating that marine anticorrosion as claimed in claim 1 uses, it is characterised in that:Painting in step 5 Layer conductive processing process, using spray glass ball mode, glass ball model 180#~220#, pressure be 0.1MPa~ 0.4MPa。
6. the preparation method of composite coating that marine anticorrosion as claimed in claim 1 uses, it is characterised in that:Water in step 3 Property inorganic phosphate be phosphoric acid normal salt, dibasic alkaliine, dihydric phosphate one of which or several mix.
7. the preparation method of composite coating that the marine anticorrosion as described in any one in claim 1 to 6 uses, its feature exists In:Thickness of dry film is 20 μm~120 μm after solidifying priming paint.
8. the preparation method of composite coating that the marine anticorrosion as described in any one in claim 1 to 6 uses, its feature exists In:Thickness of dry film is 10 μm~40 μm after topcoating cures.
CN201710983445.XA 2017-10-20 2017-10-20 The preparation method of composite coating that marine anticorrosion uses Pending CN107790360A (en)

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CN109161300A (en) * 2018-08-20 2019-01-08 常州市天安特种涂料有限公司 The water corrosion-resistant epoxy paint and preparation method thereof of naval vessel underwater
CN109382299A (en) * 2018-10-25 2019-02-26 广西卓亚照明有限公司 A kind of lamp stand anti-corrosion method
CN110066574A (en) * 2019-05-04 2019-07-30 上海邦聚工程材料技术有限公司 A kind of energy-saving ceramic coating material and its spraying application method
CN110294953A (en) * 2019-06-25 2019-10-01 东方电气集团东方汽轮机有限公司 Nuclear control rod coil chamber and its anti-corrosion method, preparation method of surface coating, aluminium paint are in its application
CN111303670A (en) * 2018-12-11 2020-06-19 哈米尔顿森德斯特兰德公司 Chromium-free corrosion inhibiting coating
CN111570233A (en) * 2020-04-13 2020-08-25 中国电建集团四川工程有限公司 Ground gas pipeline anticorrosion process
CN111925674A (en) * 2020-08-15 2020-11-13 浙江万氟隆紧固系统有限公司 Anti-corrosion self-lubricating fastener and preparation process thereof
CN112275598A (en) * 2020-10-12 2021-01-29 贵州电网有限责任公司 Aluminum-organic silicon-fluorocarbon composite coating material structure for transformer and preparation method
CN112831199A (en) * 2020-12-29 2021-05-25 成都布雷德科技有限公司 High-temperature-resistant and erosion-resistant phosphate coating for blades and preparation and application methods thereof
CN112876885A (en) * 2021-01-26 2021-06-01 成都布雷德科技有限公司 Inorganic ceramic coating and preparation method and use method thereof
CN113150643A (en) * 2021-03-25 2021-07-23 青岛维洁仕环保科技服务有限公司 Polymer composite repair material for circulating water pump and repair method thereof
CN114410135A (en) * 2022-01-26 2022-04-29 上海库曜新材料有限公司 Fireproof nano anticorrosive material and application thereof
CN116445018A (en) * 2023-04-18 2023-07-18 中国科学院兰州化学物理研究所 High-temperature oxidation resistant protective coating for titanium alloy surface and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101116855A (en) * 2007-09-04 2008-02-06 中国船舶重工集团公司第七二五研究所 Method for preparing corrosion-protection composite coating for the steel metalwork
CN104353599A (en) * 2014-11-11 2015-02-18 沈阳黎明航空发动机(集团)有限责任公司 Method using glass beads to treat anti-rust paint layer of steel aviation part

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101116855A (en) * 2007-09-04 2008-02-06 中国船舶重工集团公司第七二五研究所 Method for preparing corrosion-protection composite coating for the steel metalwork
CN104353599A (en) * 2014-11-11 2015-02-18 沈阳黎明航空发动机(集团)有限责任公司 Method using glass beads to treat anti-rust paint layer of steel aviation part

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
《拖拉机修理》编写组: "《拖拉机修理第四篇旧件修复工艺》", 31 October 1980, 中国农业机械出版社 *
全国涂装标准化分技术委员会秘书处等: "《新型涂装前处理应用手册》", 31 July 1998, 四川科学技术出版社 *
四川省建筑科学研究所等: "《电阻应变测试技术》", 30 June 1983, 中国建筑工业出版社 *
郭武龙等: "《现代钣金加工技术》", 31 January 2014, 华南理工大学出版社 *

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* Cited by examiner, † Cited by third party
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CN109161300A (en) * 2018-08-20 2019-01-08 常州市天安特种涂料有限公司 The water corrosion-resistant epoxy paint and preparation method thereof of naval vessel underwater
CN109382299A (en) * 2018-10-25 2019-02-26 广西卓亚照明有限公司 A kind of lamp stand anti-corrosion method
CN111303670A (en) * 2018-12-11 2020-06-19 哈米尔顿森德斯特兰德公司 Chromium-free corrosion inhibiting coating
JP7419045B2 (en) 2018-12-11 2024-01-22 ハミルトン・サンドストランド・コーポレイション Anti-corrosion coatings and substrates
CN110066574A (en) * 2019-05-04 2019-07-30 上海邦聚工程材料技术有限公司 A kind of energy-saving ceramic coating material and its spraying application method
CN110294953B (en) * 2019-06-25 2022-01-04 东方电气集团东方汽轮机有限公司 Nuclear control rod coil chamber and corrosion prevention method thereof, surface coating preparation method and application of aluminum powder coating in nuclear control rod coil chamber
CN110294953A (en) * 2019-06-25 2019-10-01 东方电气集团东方汽轮机有限公司 Nuclear control rod coil chamber and its anti-corrosion method, preparation method of surface coating, aluminium paint are in its application
CN111570233A (en) * 2020-04-13 2020-08-25 中国电建集团四川工程有限公司 Ground gas pipeline anticorrosion process
CN111925674A (en) * 2020-08-15 2020-11-13 浙江万氟隆紧固系统有限公司 Anti-corrosion self-lubricating fastener and preparation process thereof
CN112275598A (en) * 2020-10-12 2021-01-29 贵州电网有限责任公司 Aluminum-organic silicon-fluorocarbon composite coating material structure for transformer and preparation method
CN112831199A (en) * 2020-12-29 2021-05-25 成都布雷德科技有限公司 High-temperature-resistant and erosion-resistant phosphate coating for blades and preparation and application methods thereof
CN112876885A (en) * 2021-01-26 2021-06-01 成都布雷德科技有限公司 Inorganic ceramic coating and preparation method and use method thereof
CN113150643A (en) * 2021-03-25 2021-07-23 青岛维洁仕环保科技服务有限公司 Polymer composite repair material for circulating water pump and repair method thereof
CN114410135A (en) * 2022-01-26 2022-04-29 上海库曜新材料有限公司 Fireproof nano anticorrosive material and application thereof
CN114410135B (en) * 2022-01-26 2023-02-17 上海库曜新材料有限公司 Fireproof nano anticorrosive material and application thereof
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